We earn commissions from purchases you make using links in our articles. Learn more. Most drivers know that regular oil changes are important for keeping their vehicles performing at their peak, but ...

Every auto parts store in America has a wall of engine and transmission additives that, no matter what's actually in them, promises to fix or rebuild some component or system that needs actual, ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

Many of us try to eat right and have a well-balanced diet. We eat good foods and try to keep ourselves in good shape. Most of us benefit from taking vitamin supplements to boost certain areas of our ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

Diesel engine oil additives are popular add-on layers of protection, but many of their cornerstone benefits are already engineered into base lubricants. Brian Humphrey, OEM technical liaison for Petro ...

Aftermarket additives are a popular off-the-shelf item at truck stops and parts counters, but many of the necessary additives already are formulated in the diesel engine oils directly from the ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...